3.5L EcoBoost/3.5L PowerBoost – Coolant Leak Near Thermostat Housing – 2021 Ford F-150
NHTSA ID Number: 10202860 Manufacturer Communication Number: TSB 21-2373 Summary Some 2021 F-150 vehicles equipped with equipped with a 3.5L EcoBoost or 3.5L PowerBoost and built on or before 31-Mar-2021 may experience an external loss of coolant. This may be due to a leak in the degas bottle hose between the degas bottle and thermostat housing. To … Read more